
PRINTER ENGINE SC CODES
G031/G032 7-6 SM
7.2 PRINTER ENGINE SC CODES
SC No. Function
302 High Voltage Power Supply Error
320 Polygon Mirror Motor Error
322 Laser Synchronization Error
500 Main Motor Error
542 Fusing Temperature Warm-up Error
543 Fusing High Temperature Error
544 Fusing Low Temperature Error
998 Fusing Unit Mismatch
999 Communication Error
NOTE:
To clear SC codes from SC542 to SC544, repair the machine then use
Fuser Error Clear in service mode (turn on the machine while pressing ‘On
Line’ and ‘Escape’ to access this). Other SC codes are automatically
cleared after the machine is repaired.
SC302: High Voltage Power Supply Error
Definition:
A charge roller current leak signal is detected.
A transfer roller current leak signal is detected.
A development bias leak signal is detected.
Possible Causes:
•
Charge roller damaged.
•
Transfer roller damaged.
•
Discharge brush grounding problem
•
High voltage supply board defective
•
Poor PSU connection
SC320: Polygon Mirror Motor Error
Definition:
The polygon mirror motor does not reach its operating speed within 10 seconds
after the polygon mirror motor on signal, or the lock signal is not detected for
more than 10 seconds continuously during operation.
Possible Causes:
•
Polygon mirror motor defective
•
Poor connection between the polygon mirror motor driver and the engine
control board
•
Engine control board defective
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